Chapter 20GEF: Graphical Editing Framework
For many applications text based editing is the most effective way to allow the user access to data being modified by the program. However, other models are best displayed and edited with some kind of visual representation. This is where the Graphical Editing Framework (GEF) comes in; GEF, an Eclipse project, provides a development framework for graphical representation of information. Rules are layered onto the graphical representation so that user interactions modify the graphics which then change the underlying model.
20.1 GEF Architecture
Like other applications that display graphical information, the GEF framework is designed using the Model-View-Controller (MVC) architecture. ...
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